Alright, let's work through 12974568 times 81845490 step by step
12974568 × 81845490 = 81845490 × (12974568)
+ 81845490 × 8 resulting in 654763920
+ 81845490 × 60 what gives us 4910729400
+ 81845490 × 500 that results in 40922745000
+ 81845490 × 4000 that results in 327381960000
+ 81845490 × 70000 that results in 5729184300000
+ 81845490 × 900000 yielding 73660941000000
+ 81845490 × 2000000 yielding 163690980000000
+ 81845490 × 10000000 that results in 818454900000000

= 1061909875498320
